blob: 36d0f8f431457b61af72aca62080ee26b0c559ab [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:matcher/matcher.dart';
import 'package:test/test.dart' show test, group;
import 'test_utils.dart';
void main() {
_test('Map', isMap, {});
_test('List', isList, []);
_test('ArgumentError', isArgumentError, ArgumentError());
_test('CastError', isCastError, CastError());
_test('Exception', isException, const FormatException());
_test('FormatException', isFormatException, const FormatException());
_test('StateError', isStateError, StateError('oops'));
_test('RangeError', isRangeError, RangeError('oops'));
_test('UnimplementedError', isUnimplementedError, UnimplementedError('oops'));
_test('UnsupportedError', isUnsupportedError, UnsupportedError('oops'));
_test('ConcurrentModificationError', isConcurrentModificationError,
_test('CyclicInitializationError', isCyclicInitializationError,
_test('NoSuchMethodError', isNoSuchMethodError, null);
_test('NullThrownError', isNullThrownError, NullThrownError());
group('custom `TypeMatcher`', () {
// ignore: deprecated_member_use_from_same_package
_test('String', const isInstanceOf<String>(), 'hello');
_test('String', const _StringMatcher(), 'hello');
_test('String', const TypeMatcher<String>(), 'hello');
_test('String', isA<String>(), 'hello');
// TODO: drop `name` and use a type argument – once Dart2 semantics are enabled
void _test(String name, Matcher typeMatcher, Object matchingType) {
group('for `$name`', () {
if (matchingType != null) {
test('succeeds', () {
shouldPass(matchingType, typeMatcher);
test('fails', () {
shouldFail(const TestType(), typeMatcher,
"Expected: <Instance of '$name'> Actual: <Instance of 'TestType'>");
// Validate that existing implementations continue to work.
class _StringMatcher extends TypeMatcher {
const _StringMatcher() : super(
// ignore: deprecated_member_use_from_same_package
bool matches(item, Map matchState) => item is String;
class TestType {
const TestType();